override fun getClassifierSymbols(nameFilter: KtScopeNameFilter): Sequence<KtClassifierSymbol> =
        super.getClassifierSymbols(nameFilter).filter { it is KtNamedClassOrObjectSymbol && it.isInner }

    override fun getCallableSymbols(nameFilter: KtScopeNameFilter): Sequence<KtCallableSymbol> = withValidityAssertion {
        super.getCallableSymbols(nameFilter).filter { symbol ->
            when (symbol) {